Cisco IOS XE IP Header Sanity Check DoS (CSCuj23992)

Description

According to its self-reported version, the remote IOS XE device is affected by a denial of service vulnerability in the Cisco Express Forwarding processing module.

The issue is due to improper processing of MPLS packets. When certain additional features are configured, an attacker can exploit this vulnerability by sending MPLS packets to traverse and exit an affected device as IP packets. This may cause the device to reload.

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